Brain MRI white matter hyperintensities and one-carbon cycle metabolism in non-geriatric outpatients with major depressive disorder (Part II)

George I. Papakostas, Dan V. Iosifescu, Perry F. Renshaw, In Kyoon Lyoo, Ho Kyu Lee, Jonathan E. Alpert, Andrew A. Nierenberg, Maurizio Fava

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The objective of this study was to investigate the relative impact of brain white matter hyperintensities (WMHs), cardiovascular risk factors and elements of the one-carbon cycle metabolism (including serum folate, vitamin B12 and homocysteine levels) on the outcome of antidepressant treatment in non-elderly subjects with major depressive disorder (MDD). Fifty MDD subjects were administered brain magnetic resonance imaging (MRI) scans at 1.5 T to detect T2 WMHs. The severity of brain WMHs was classified with the Fazekas scale (range = 0-3). We assessed cardiovascular risk factors in all MDD subjects (age, gender, smoking, diabetes, family history, hypertension, cholesterol). MDD patients also had serum folate, vitamin B12 and homocysteine levels measured. All MDD subjects received treatment with fluoxetine 20 mg/day for 8 weeks. In a logistic regression, the severity of subcortical WMHs and the presence of hypofolatemia were independent predictors of lack of clinical response to antidepressant treatment. Separately, hypofolatemia also predicted lack of remission to antidepressant treatment. These associations were independent of the presence of smoking, diabetes, family history, hypercholesterolemia, hyperhomocysteinemia and low B12 levels. Although preliminary, the results of the present work suggest that subcortical brain WMHs and hypofolatemia may have an independent negative impact on the likelihood of responding to antidepressant treatment in non-geriatric subjects with MDD.

Original languageEnglish (US)
Pages (from-to)301-307
Number of pages7
JournalPsychiatry Research - Neuroimaging
Volume140
Issue number3
DOIs
StatePublished - Dec 30 2005
Externally publishedYes

Fingerprint

Carbon Cycle
Major Depressive Disorder
Outpatients
Magnetic Resonance Imaging
Antidepressive Agents
Brain
Homocysteine
Vitamin B 12
Folic Acid
Smoking
Hyperhomocysteinemia
Fluoxetine
Therapeutics
Hypercholesterolemia
Serum
White Matter
Logistic Models
Cholesterol
Hypertension

Keywords

  • Cardiovascular
  • Depression
  • Folate
  • Hyperintensities
  • White matter

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Radiology Nuclear Medicine and imaging
  • Biological Psychiatry
  • Psychology(all)

Cite this

Brain MRI white matter hyperintensities and one-carbon cycle metabolism in non-geriatric outpatients with major depressive disorder (Part II). / Papakostas, George I.; Iosifescu, Dan V.; Renshaw, Perry F.; Lyoo, In Kyoon; Lee, Ho Kyu; Alpert, Jonathan E.; Nierenberg, Andrew A.; Fava, Maurizio.

In: Psychiatry Research - Neuroimaging, Vol. 140, No. 3, 30.12.2005, p. 301-307.

Research output: Contribution to journalArticle

Papakostas, George I. ; Iosifescu, Dan V. ; Renshaw, Perry F. ; Lyoo, In Kyoon ; Lee, Ho Kyu ; Alpert, Jonathan E. ; Nierenberg, Andrew A. ; Fava, Maurizio. / Brain MRI white matter hyperintensities and one-carbon cycle metabolism in non-geriatric outpatients with major depressive disorder (Part II). In: Psychiatry Research - Neuroimaging. 2005 ; Vol. 140, No. 3. pp. 301-307.
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